1118000 has 80 divisors (see below), whose sum is σ = 2978976. Its totient is φ = 403200.

The previous prime is 1117993. The next prime is 1118003. The reversal of 1118000 is 8111.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (1118003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25979 + ... + 26021.

2^1118000 is an apocalyptic number.

1118000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1118000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1489488).

1118000 is an abundant number, since it is smaller than the sum of its proper divisors (1860976).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1118000 is a wasteful number, since it uses less digits than its factorization.

1118000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79 (or 63 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 1118000 is about 1057.3551910309. The cubic root of 1118000 is about 103.7880297996.

The spelling of 1118000 in words is "one million, one hundred eighteen thousand".